Home / 28,429.44-42,670.42-14,399.33

Finding the Fourth Proportional to 28,429.44, 42,670.42 and 14,399.33

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Solution

The fourth proportional to 28,429.44, 42,670.42 and 14,399.33 is: 21,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,429.44 : 42,670.42 = 14,399.33 : x
  2. Step 2: Convert to fraction form
    28,429.44/42,670.42 = 14,399.33/x
  3. Step 3: Cross multiply
    28,429.44x = 42,670.42 × 14,399.33
  4. Step 4: Simplify right side
    28,429.44x = 614,425,458.82
  5. Step 5: Solve for x
    x = 614,425,458.82/28,429.44
  6. Step 6: Final answer
    x = 21,612.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.